Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 HMH Go Math - Answer Keys
Chapter 4: Nonproportional Relationships; Lesson 2: Determining Slope and y-intercept


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  • Question 8 (request help)

    Some carpet cleaning costs are shown in the table. The relationship is linear. Find and interpret the rate of change and the initial value for this situation.
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  • Question 9 (request help)

    Make Predictions

    The total cost to pay for parking at a state park for the day and rent a paddleboat are shown.

    a. Find the cost to park for a day and the hourly rate to rent a paddleboat.
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  • Question 9 (request help)

    b. What will Lin pay if she rents a paddleboat for 3.5 hours and splits the total cost with a friend? Explain.
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  • Question 10 (request help)

    Multi-Step

    Raymond’s parents will pay for him to take sailboard lessons during the summer. He can take half-hour group lessons or half-hour private lessons. The relationship between cost and number of lessons is linear.

    a. Find the rate of change and the initial value for the group lessons.
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  • Question 10 (request help)

    b. Find the rate of change and the initial value for the private lessons.
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  • Question 10 (request help)

    c. Compare and contrast the rates of change and the initial values.
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